Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen su doc snippets" » "nien su doc snippets", "den su doc snippets", "nen nu doc snippets", "nen su doi snippets", "nen su hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nen su doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen su doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen su doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen su doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.